2Before every use, check the engine assembly, propeller and airframe carefully for loose screws and nuts. 243 is strongly recommended on all the screws. 3During the break-in process, engine must running with shock absorber installed.Or the engine will be seriously damaged by vibration. 4Always stand clear of and behind the propeller; never allow anyone including yourself, to be in front of or to the sides of the propeller when starting or running the engine. Anyone near the engine should wear protective eyewear. Do not wear loose clothing near the engine or propeller. Static Thrust: 35kg/100 meters Altitude; 31.5kg/1800 meters Altitude.
Spark Plug Type: NGK CM6. Compression Ration: 9.5 : 1.
Weight of Main Engine: 3620g. Ignition Voltage: 4.8V-8.4V. Your satisfaction is our greatest driving force. We continuously pursue excellent quality.
Sincerely welcome every friend's guidance and support. 4 The item(s) MUST be in unused condition AND in its original packaging (cannot be glued or tampered with in any fashion). Negative or Neutral feedback does not resolve any underlying issues. This item is in the category "Toys & Hobbies\Radio Control & Control Line\RC Model Vehicle Parts & Accs\Other RC Parts & Accs".The seller is "zyhobby" and is located in this country: CN. This item can be shipped worldwide.